<template>
  <el-card>
    <el-form :inline="true" class="form">
      <el-form-item label="职位搜索">
        <el-input
          placeholder="请你输入搜索职位关键字"
          v-model="keyword"
        ></el-input>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          size="default"
          :disabled="keyword ? false : true"
          @click="search"
        >
          搜索
        </el-button>
        <el-button type="primary" size="default" @click="reset">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <el-card style="margin: 10px 0px">
    <el-button type="primary" size="default" icon="Plus" @click="addRole">
      添加职位
    </el-button>
    <el-table border style="margin: 10px 0px" :data="allRole">
      <el-table-column type="index" align="center" label="#"></el-table-column>
      <el-table-column label="ID" align="center" prop="id"></el-table-column>
      <el-table-column
        label="职位名称"
        align="center"
        prop="roleName"
        show-overflow-tooltip
      ></el-table-column>
      <el-table-column
        label="创建世间"
        align="center"
        show-overflow-tooltip
        prop="createTime"
      ></el-table-column>
      <el-table-column
        label="更新时间"
        align="center"
        show-overflow-tooltip
        prop="updateTime"
      ></el-table-column>
      <el-table-column label="操作" width="280px" align="center">
        <!-- row:已有的职位对象 -->
        <template #="{ row }">
          <el-button
            type="primary"
            size="small"
            icon="User"
            @click="setPermisstion(row)"
          >
            分配权限
          </el-button>
          <el-button
            type="primary"
            size="small"
            icon="Edit"
            @click="updateRole(row)"
          >
            编辑
          </el-button>
          <el-popconfirm
            :title="`你确定要删除${row.roleName}?`"
            width="260px"
            @confirm="removeRole(row.id)"
          >
            <template #reference>
              <el-button type="primary" size="small" icon="Delete">
                删除
              </el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      v-model:current-page="pageNo"
      v-model:page-size="pageSize"
      :page-sizes="[10, 20, 30, 40]"
      :background="true"
      layout="prev, pager, next, jumper,->,sizes,total"
      :total="total"
      @current-change="getHasRole"
      @size-change="sizeChange"
    />
  </el-card>
  <!-- 添加职位与更新已有职位的结构:对话框 -->
  <el-dialog
    v-model="dialogVisite"
    :title="RoleParams.id ? '更新职位' : '添加职位'"
  >
    <el-form :model="RoleParams" :rules="rules" ref="form">
      <el-form-item label="职位名称" prop="roleName">
        <el-input
          placeholder="请你输入职位名称"
          v-model="RoleParams.roleName"
        ></el-input>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button type="primary" size="default" @click="dialogVisite = false">
        取消
      </el-button>
      <el-button type="primary" size="default" @click="save">确定</el-button>
    </template>
  </el-dialog>
  <!-- 抽屉组件:分配职位的菜单权限与按钮的权限 -->
  <el-drawer v-model="drawer">
    <template #header>
      <h4>分配菜单与按钮的权限</h4>
    </template>
    <template #default>
      <!-- 树形控件 -->
      <el-tree
        ref="tree"
        :data="menuArr"
        show-checkbox
        node-key="id"
        default-expand-all
        :default-checked-keys="selectArr"
        :props="defaultProps"
      />
    </template>
    <template #footer>
      <div style="flex: auto">
        <el-button @click="drawer = false">取消</el-button>
        <el-button type="primary" @click="handler">确定</el-button>
      </div>
    </template>
  </el-drawer>
</template>

<script setup lang="ts">
import { ref, onMounted, reactive, nextTick } from 'vue';
//请求方法
import {
  reqRemoveRole,
  reqAllRoleList,
  reqAddOrUpdateRole,
  reqAllMenuList,
  reqSetPermisstion,
} from '@/api/acl/role';
import type {
  RoleResponseData,
  Records,
  RoleData,
  MenuResponseData,
  MenuList,
} from '@/api/acl/role/type';
//引入骨架的仓库
import useLayOutSettingStore from '@/store/modules/setting';
import { ElMessage } from 'element-plus';
let settingStore = useLayOutSettingStore();
//当前页码
let pageNo = ref<number>(1);
//一页展示几条数据
let pageSize = ref<number>(10);
let total = ref<number>(0);
//搜索关键字
let keyword = ref<string>('');
//存储全部角色
let allRole = ref<Records>([]);
//控制对话框的显示与隐藏
let dialogVisite = ref<boolean>(false);
//获取form组件实例
let form = ref<any>();
//控制抽屉显示与隐藏
let drawer = ref<boolean>(false);
//收集新增岗位的数据
let RoleParams = reactive<RoleData>({
  roleName: '',
});
//存储用户的权限
let menuArr = ref<MenuList>([]);
//存储勾选节点的id（最后一级，四级）
let selectArr = ref<number[]>([]);
//获取树形组件实例
let tree = ref<any>();

onMounted(() => {
  getHasRole();
});
const getHasRole = async (pager = 1) => {
  pageNo.value = pager;
  let res: RoleResponseData = await reqAllRoleList(
    pageNo.value,
    pageSize.value,
    keyword.value,
  );
  if (res.code == 200) {
    total.value = res.data.total;
    allRole.value = res.data.records;
  }
};
//下拉菜单的回调
const sizeChange = () => {
  getHasRole();
};
//搜索按钮的回调
const search = () => {
  //再次发请求根据关键字
  getHasRole();
  keyword.value = '';
};
//重置按钮的回调
const reset = () => {
  settingStore.refsh = !settingStore.refsh;
};

//添加角色回调
const addRole = () => {
  dialogVisite.value = true;
  //清空数据
  Object.assign(RoleParams, {
    roleName: '',
  });
  //清空校验结果
  nextTick(() => {
    form.value.clearValidate('roleName');
  });
};
//编辑角色按钮 回调
const updateRole = (row: RoleData) => {
  dialogVisite.value = true;
  //保存选中角色
  Object.assign(RoleParams, row);
  //清空校验结果
  nextTick(() => {
    form.value.clearValidate('roleName');
  });
};

//自定义校验规则的回调
const validatorRoleName = (_rule: any, value: any, callBack: any) => {
  if (value.trim().length >= 2) {
    callBack();
  } else {
    callBack(new Error('职位名称至少两位'));
  }
};
//职位校验规则
const rules = {
  roleName: [{ required: true, trigger: 'blur', validator: validatorRoleName }],
};

//确定按钮的回调
const save = async () => {
  //表单校验结果,结果通过在发请求、结果没有通过不应该在发生请求
  await form.value.validate();
  //添加职位|更新职位的请求
  let result: any = await reqAddOrUpdateRole(RoleParams);
  if (result.code == 200) {
    //提示文字
    ElMessage({
      type: 'success',
      message: RoleParams.id ? '更新成功' : '添加成功',
    });
    //对话框显示
    dialogVisite.value = false;
    //再次获取全部的已有的职位
    getHasRole(RoleParams.id ? pageNo.value : 1);
  } else {
    ElMessage({
      type: 'success',
      message: RoleParams.id ? '更新失败' : '添加失败',
    });
  }
};

//分配权限按钮 回调
const setPermisstion = async (row: RoleData) => {
  drawer.value = true;
  //收集当前要分配角色的数据
  Object.assign(RoleParams, row);
  //获取角色的权限
  let res: MenuResponseData = await reqAllMenuList(RoleParams.id as number);
  if (res.code == 200) {
    menuArr.value = res.data;
    selectArr.value = filterSelectArr(menuArr.value, []);
  }
};
//树形控件的数据
const defaultProps = {
  children: 'children', //子节点对应字段
  label: 'name', //展示数据用的那个字段
};
//筛选
const filterSelectArr = (allData: any, initArr: any) => {
  allData.forEach((item: any) => {
    if (item.select && item.level === 4) {
      initArr.push(item.id);
    }
    //递归
    if (item.children && item.children.length > 0) {
      filterSelectArr(item.children, initArr);
    }
  });
  return initArr;
};

//分配权限确定按钮 回调
const handler = async () => {
  //合并选中节点id  和 半选的id
  let arr1 = tree.value.getCheckedKeys();
  let arr2 = tree.value.getHalfCheckedKeys();
  let permission = arr1.concat(arr2);
  let res: any = await reqSetPermisstion(RoleParams.id as number, permission);
  if (res.code == 200) {
    drawer.value = false;
    ElMessage({
      type: 'success',
      message: '分配权限成功',
    });
    window.location.reload();
  }
};

//删除已有的职位
const removeRole = async (id: number) => {
  let result: any = await reqRemoveRole(id);
  if (result.code == 200) {
    //提示信息
    ElMessage({ type: 'success', message: '删除成功' });
    getHasRole(allRole.value.length > 1 ? pageNo.value : pageNo.value - 1);
  }
};
</script>

<style scoped>
.form {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50px;
}
</style>
